Element of a shoe



FIG. 1 is a left side view in elevation of an element of a shoe showing our new design;

FIG. 2 is a right side view in elevation thereof;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a rear view thereof.

The dotted lines are environmental only and form no part of the claimed design. 

The ornamental design for an element of a shoe, as shown and described. 